Automatic metering and feeding device for building concrete

The automatic metering and feeding device for concrete production addresses the issues of inaccurate feeding and dust pollution by implementing a quantitative component and water spray system, enhancing precision and environmental cleanliness.

CN222135432UActive Publication Date: 2024-12-10謝宇喆
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420381013.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-28
Publication Date
2024-12-10
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

Existing concrete production devices lack quantitative weighing and feeding capabilities, resulting in poor feeding accuracy and generate significant dust pollution during material crushing.

Method used

An automatic metering and feeding device equipped with a quantitative component comprising a weighing hopper, solenoid valve, and PLC controller, along with an anti-blocking component and a water tank system to reduce dust, ensuring precise material delivery and dust control.

Benefits of technology

The device achieves accurate quantitative weighing and feeding while significantly reducing air pollution by incorporating a water spray system to mitigate dust generation during material crushing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222135432U_ABST
    Figure CN222135432U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic metering and feeding device for building concrete, which belongs to the technical field of concrete production and comprises concrete production equipment, a feed hopper is arranged on the upper side of the concrete production equipment, a driving mechanism is arranged in the feed hopper, and the driving mechanism is connected with the feed hopper through a fixing rod. Through the arrangement of the quantitative assembly, crushed raw materials fall into the weighing hopper, the sliding rods at the two ends of the weighing hopper slide in the transverse plate, the weighing sensor is compressed, and the crushing blades are arranged at the output end of the driving mechanism, and the quantitative assembly is arranged on the lower side of the feeding hopper. The weight of raw materials falling into the weighing hopper can be observed through a display screen on the plc, when the weight reaches a preset value, the electromagnetic valve is opened, the raw materials in the weighing hopper fall into concrete production equipment through the discharging pipe and the first fixing pipe, quantitative weighing and discharging can be achieved by arranging the quantitative assembly, and the feeding accuracy is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete production, and in particular relates to an automatic metering and feeding device for building concrete. Background Art

[0002] Concrete, abbreviated as "concrete", is a general term for engineering composite materials that are cemented into a whole by cementitious materials. The term concrete usually refers to cement as a cementitious material, sand and stone as aggregates, and water (which may contain admixtures and additives) in a certain proportion, and then mixed to obtain cement concrete, also known as ordinary concrete, which is widely used in civil engineering.

[0003] Chinese patent application No. 2021229337574 discloses a uniform feeding device for concrete production, which belongs to the technical field of concrete production equipment, including a concrete production equipment box, a fixed plate is arranged above the concrete production equipment box, and a stepping motor is arranged on the inner side wall of the fixed plate, and a feed hopper is connected to the top of the fixed plate, and a crushing assembly is arranged inside the feed hopper; the crushing assembly includes a fixed rod, a fixed box, a rotating motor, a crushing blade and a rotating shaft; the utility model is provided with a fixed rod, a top cover, a fixed box, a rotating motor, a crushing blade, a rotating shaft and other structures. With the mutual cooperation of these structures, the crushing function can be realized, and the raw materials entering the feed hopper can be crushed to avoid large particles in the raw materials, thereby avoiding the large particles blocking the discharge port on the discharge box during the subsequent discharge operation, causing the discharge port to be unable to discharge normally.

[0004] The above-mentioned patent cannot realize quantitative weighing and feeding, and the feeding accuracy is poor. At the same time, the original device will generate a lot of dust when crushing the raw materials, which causes great air pollution. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an automatic metering and feeding device for building concrete, which has the characteristic of realizing quantitative weighing and feeding.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic metering and feeding device for building concrete, comprising concrete production equipment, wherein a feed hopper is arranged on the upper side of the concrete production equipment, a driving mechanism is arranged inside the feed hopper, the driving mechanism and the feed hopper are connected by a fixed rod, a crushing blade is arranged at the output end of the driving mechanism, and a quantitative component is arranged at the lower side of the feed hopper.

[0007] Preferably, the quantitative component includes a weighing hopper, a fixed tube, a feeding tube, a solenoid valve, a PLC controller, a horizontal plate, a sliding rod, a weighing sensor and an anti-blocking component, wherein a fixed tube is arranged at a position corresponding to the feed hopper at the upper end of the concrete production equipment, a horizontal plate is arranged on the upper sides of both ends of the fixed tube, a weighing hopper is arranged on the upper side of the fixed tube, a sliding rod is arranged at positions corresponding to the horizontal plates at both ends of the weighing hopper, a weighing sensor is arranged at a position corresponding to the sliding rod at the upper end of the concrete production equipment, a PLC controller is arranged on one side of the upper end of the concrete production equipment, a feeding tube is arranged at the lower end of the weighing hopper, a solenoid valve is arranged on the lower side of the feeding tube, and an anti-blocking component is arranged inside the weighing hopper.

[0008] Preferably, the anti-blocking component includes a motor, a rotating shaft and a stirring rod, wherein a motor is arranged at the front end of the weighing hopper, a rotating shaft is arranged at the output end of the motor, and a plurality of stirring rods are arranged on the rotating shaft.

[0009] Preferably, the side edge of the feed tube is staggered with an inner wall of the fixed tube, and one end of a plurality of stirring rods is staggered with an inner wall of the weighing hopper.

[0010] Preferably, a fixed pipe 2 is provided on one side of the upper end of the feed hopper, the fixed pipe 2 is connected to the feed hopper through a connecting frame, a plurality of atomizing nozzles are provided at one end of the fixed pipe 2, a water tank is provided on one side of the upper end of the concrete production equipment, a water pump is provided on the upper end of the water tank, and the water pump and the fixed pipe 2 are connected through a water supply pipe.

[0011] Preferably, a water injection valve is provided at the lower side of one end of the water tank, and the connecting frame and the feed hopper as well as the connecting frame and the second fixed pipe are spot welded.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a quantitative component, and the crushed raw materials fall into the weighing hopper. The sliding bars at both ends of the weighing hopper slide in the horizontal plate, and the weighing sensor is compressed. The weight of the raw materials falling into the weighing hopper can be observed through the display screen on the PLC controller. When the weight reaches the preset value, the solenoid valve opens, and the raw materials in the weighing hopper fall into the concrete production equipment through the discharge pipe and the fixed pipe. By setting the quantitative component, quantitative weighing and feeding can be achieved, thereby improving the accuracy of feeding.

[0014] 2. The utility model sets a water tank. When the raw materials are crushed in the feed hopper, dust is generated. When the water pump is turned on, the water in the water tank can be transported to the fixed pipe 2 through the water supply pipe. A plurality of atomizing nozzles at one end of the fixed pipe 2 can spray water into the feed hopper to achieve the effect of dust reduction. The dust generated by the crushing of the raw materials can be treated by setting a water tank to reduce the pollution of dust to the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a cutaway perspective view of the feed hopper and the fixed pipe of the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0018] In the figure: 1. Concrete production equipment; 2. Dosing component; 21. Weighing hopper; 22. Fixed pipe 1; 23. Feeding pipe; 24. Solenoid valve; 25. PLC controller; 26. Horizontal plate; 27. Sliding rod; 28. Weighing sensor; 29. ​​Anti-blocking component; 291. Motor; 292. Rotating shaft; 293. Stirring rod; 3. Feed hopper; 4. Fixed pipe 2; 5. Connecting frame; 6. Water tank; 7. Fixed rod; 8. Driving mechanism; 9. Crushing blade; 10. Atomizing nozzle; 11. Water pump; 12. Water supply pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: an automatic metering and feeding device for building concrete, comprising a concrete production equipment 1, a feed hopper 3 is arranged on the upper side of the concrete production equipment 1, a driving mechanism 8 is arranged inside the feed hopper 3, the driving mechanism 8 and the feed hopper 3 are connected by a fixed rod 7, a crushing blade 9 is arranged at the output end of the driving mechanism 8, and a quantitative component 2 is arranged at the lower side of the feed hopper 3.

[0022] Specifically, the quantitative component 2 includes a weighing hopper 21, a fixed pipe 22, a feeding pipe 23, a solenoid valve 24, a PLC controller 25, a horizontal plate 26, a slide bar 27, a weighing sensor 28 and an anti-blocking component 29, wherein a fixed pipe 22 is arranged at a position corresponding to the feed hopper 3 at the upper end of the concrete production equipment 1, a horizontal plate 26 is arranged on the upper sides of both ends of the fixed pipe 22, a weighing hopper 21 is arranged on the upper side of the fixed pipe 22, a slide bar 27 is arranged at positions corresponding to the horizontal plate 26 at both ends of the weighing hopper 21, a weighing sensor 28 is arranged at a position corresponding to the slide bar 27 at the upper end of the concrete production equipment 1, a PLC controller 25 is arranged on one side of the upper end of the concrete production equipment 1, a feeding pipe 23 is arranged at the lower end of the weighing hopper 21, a solenoid valve 24 is arranged on the lower side of the feeding pipe 23, and an anti-blocking component 29 is arranged inside the weighing hopper 21.

[0023] By adopting the above technical solution, the crushed raw materials fall into the weighing hopper 21, the slide bars 27 at both ends of the weighing hopper 21 slide in the cross plate 26, the weighing sensor 28 is compressed, and the weight of the raw materials falling into the weighing hopper 21 can be observed through the display screen on the PLC controller 25. When the weight reaches the preset value, the solenoid valve 24 opens, and the raw materials in the weighing hopper 21 fall into the concrete production equipment 1 through the discharge pipe 23 and the fixed pipe 22. By setting the quantitative component 2, quantitative weighing and discharging can be achieved, thereby improving the accuracy of feeding.

[0024] Specifically, the anti-blocking component 29 includes a motor 291 , a rotating shaft 292 and a stirring rod 293 , wherein the motor 291 is disposed at the front end of the weighing hopper 21 , the rotating shaft 292 is disposed at the output end of the motor 291 , and a plurality of stirring rods 293 are disposed on the rotating shaft 292 .

[0025] By adopting the above technical solution and setting the anti-blocking component 29, turning on the motor 291 can drive the rotating shaft 292 to rotate. The rotation of the rotating shaft 292 can drive a plurality of stirring rods 293 to stir the raw materials in the symmetrical hopper 21 to avoid the raw materials being blocked in the weighing hopper 21.

[0026] Specifically, the side of the feeding tube 23 is staggered with the inner wall of the fixed tube 22, and one end of the plurality of stirring rods 293 is staggered with the inner wall of the weighing hopper 21.

[0027] By adopting the above technical solution, the feeding tube 23 is prevented from scratching the inner wall of the fixed tube 22, and the rotation of the plurality of stirring rods 293 will not scratch the inner wall of the weighing hopper 21.

[0028] When the present embodiment is used, the automatic metering and feeding device for building concrete is used, the device is installed at a suitable position, the raw material is put into the feed hopper 3, the driving mechanism 8 drives the crushing blade 9 to rotate, the crushing blade 9 rotates to crush the raw material, and the crushed raw material falls into the concrete production equipment 1. By setting the quantitative component 2, the crushed raw material falls into the weighing hopper 21, the slide bars 27 at both ends of the weighing hopper 21 slide in the cross plate 26, the weighing sensor 28 is compressed, and the weight of the raw material falling into the weighing hopper 21 can be observed through the display screen on the PLC controller 25. When the weight reaches the preset value, the solenoid valve 24 is opened, and the raw material in the weighing hopper 21 falls into the concrete production equipment 1 through the discharge pipe 23 and the fixed pipe 22. By setting the quantitative component 2, quantitative weighing and feeding can be achieved, and the feeding accuracy is improved. By setting the anti-blocking component 29, turning on the motor 291 can drive the rotating shaft 292 to rotate, and the rotation of the rotating shaft 292 can drive a number of stirring rods 293 to stir the raw materials in the symmetrical hopper 21 to avoid the raw materials from being blocked in the weighing hopper 21.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that: a fixed pipe 2 4 is provided on one side of the upper end of the feed hopper 3, the fixed pipe 2 4 is connected to the feed hopper 3 through a connecting frame 5, a plurality of atomizing nozzles 10 are provided at one end of the fixed pipe 2 4, a water tank 6 is provided on one side of the upper end of the concrete production equipment 1, a water pump 11 is provided on the upper end of the water tank 6, and the water pump 11 is connected to the fixed pipe 2 4 through a water supply pipe 12.

[0031] By adopting the above technical scheme, dust is generated when the raw materials are crushed in the feed hopper 3. The water pump 11 is turned on. The water pump 11 can transport the water in the water tank 6 to the fixed pipe 2 4 through the water supply pipe 12. A plurality of atomizing nozzles 10 at one end of the fixed pipe 2 4 can spray water into the feed hopper 3 to achieve the effect of dust reduction. By setting up the water tank 6, the dust generated by the crushing of the raw materials can be treated to reduce the pollution of dust to the air.

[0032] Specifically, a water injection valve is provided at the lower side of one end of the water tank 6, and the connecting frame 5 and the feed hopper 3 as well as the connecting frame 5 and the fixed pipe 2 4 are all welded by spot welding.

[0033] By adopting the above technical solution, it is convenient to fill water into the water tank 6, and spot welding makes the connection frame 5 and the feed hopper 3 as well as the connection frame 5 and the fixed pipe 2 4 stronger.

[0034] When this embodiment is used, by setting up a water tank 6, dust is generated when the raw materials are crushed in the feed hopper 3, and the water pump 11 is turned on. The water pump 11 can transport the water in the water tank 6 to the fixed pipe 2 4 through the water supply pipe 12. A plurality of atomizing nozzles 10 at one end of the fixed pipe 2 4 can spray water into the feed hopper 3 to achieve the effect of dust reduction. By setting up the water tank 6, the dust generated by the crushing of the raw materials can be treated to reduce the pollution of dust to the air.

[0035] The weighing sensor 28 in the present invention is an existing disclosed technology, and the selected model is JLBU-1.

[0036] The plc controller 25 in the present invention is an existing disclosed technology, and the selected model is UN2003-0808MR.

[0037] The solenoid valve 24 in the utility model is an existing disclosed technology, and the selected model is SY5120-5LZD-01.

[0038] The motor 291 in the utility model is an existing disclosed technology, and the selected model is 5IK120GN-CF.

[0039] The water pump 11 of the utility model is an existing disclosed technology, and the selected model is BJZ037.

[0040] The structure and working principle of the concrete production equipment 1, the feed hopper 3, the fixing rod 7, the driving mechanism 8 and the crushing blade 9 in the utility model have been disclosed in Chinese patent application No. 2021229337574, which discloses a uniform feeding device for concrete production. The working principle is to put the raw materials into the feed hopper 3, and the driving mechanism 8 drives the crushing blade 9 to rotate, and the crushing blade 9 rotates to crush the raw materials, and the crushed raw materials fall into the concrete production equipment 1.

[0041] The working principle and use process of the utility model are as follows: when the automatic metering feeding device for building concrete is used, the device is installed at a suitable position, the raw materials are put into the feed hopper 3, the driving mechanism 8 drives the crushing blade 9 to rotate, the crushing blade 9 rotates to crush the raw materials, and the crushed raw materials fall into the concrete production equipment 1. By setting the quantitative component 2, the crushed raw materials fall into the weighing hopper 21, the sliding bars 27 at both ends of the weighing hopper 21 slide in the cross plate 26, the weighing sensor 28 is compressed, and the weight of the raw materials falling into the weighing hopper 21 can be observed through the display screen on the PLC controller 25. When the weight reaches the preset value, the solenoid valve 24 opens, and the raw materials in the weighing hopper 21 fall into the concrete production equipment through the discharge pipe 23 and the fixed pipe 22. In the production equipment 1, quantitative weighing and feeding can be achieved by setting the quantitative component 2, thereby improving the accuracy of feeding. By setting the anti-blocking component 29, turning on the motor 291 can drive the rotating shaft 292 to rotate. The rotation of the rotating shaft 292 can drive several stirring rods 293 to stir the raw materials in the symmetrical hopper 21 to avoid the raw materials from being blocked in the weighing hopper 21. By setting the water tank 6, dust is generated when the raw materials are crushed in the feed hopper 3. When the water pump 11 is turned on, the water pump 11 can transport the water in the water tank 6 to the fixed pipe 24 through the water supply pipe 12. Several atomizing nozzles 10 at one end of the fixed pipe 24 can spray water into the feed hopper 3 to achieve the effect of dust reduction. By setting the water tank 6, the dust generated by the crushing of the raw materials can be treated to reduce the pollution of dust to the air.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic metering and feeding device for building concrete, comprising concrete production equipment, characterized in that: The concrete production equipment is provided with a feed hopper on the upper side, a driving mechanism is provided inside the feed hopper, the driving mechanism and the feed hopper are connected by a fixed rod, a crushing blade is provided at the output end of the driving mechanism, and a quantitative component is provided at the lower side of the feed hopper; The quantitative component includes a weighing hopper, a fixed tube 1, a feeding tube, a solenoid valve, a PLC controller, a horizontal plate, a sliding rod, a weighing sensor and an anti-blocking component, wherein a fixed tube 1 is arranged at a position corresponding to the feed hopper at the upper end of the concrete production equipment, horizontal plates are arranged on the upper sides of both ends of the fixed tube 1, a weighing hopper is arranged on the upper side of the fixed tube 1, sliding rods are arranged at positions corresponding to the horizontal plates at both ends of the weighing hopper, a weighing sensor is arranged at a position corresponding to the sliding rod at the upper end of the concrete production equipment, a PLC controller is arranged on one side of the upper end of the concrete production equipment, a feeding tube is arranged at the lower end of the weighing hopper, a solenoid valve is arranged on the lower side of the feeding tube, and an anti-blocking component is arranged inside the weighing hopper.

2. The automatic metering and feeding device for building concrete according to claim 1 is characterized in that: The anti-blocking component comprises a motor, a rotating shaft and a stirring rod, wherein a motor is arranged at the front end of the weighing hopper, a rotating shaft is arranged at the output end of the motor, and a plurality of stirring rods are arranged on the rotating shaft.

3. The automatic metering and feeding device for building concrete according to claim 2 is characterized in that: The side edge of the feeding tube is staggered with an inner wall of the fixed tube, and one end of a plurality of stirring rods is staggered with an inner wall of the weighing hopper.

4. The automatic metering and feeding device for building concrete according to claim 1 is characterized in that: A fixed pipe 2 is arranged on one side of the upper end of the feed hopper, the fixed pipe 2 is connected to the feed hopper through a connecting frame, a plurality of atomizing nozzles are arranged on one end of the fixed pipe 2, a water tank is arranged on one side of the upper end of the concrete production equipment, a water pump is arranged on the upper end of the water tank, and the water pump and the fixed pipe 2 are connected through a water supply pipe.

5. The automatic metering and feeding device for building concrete according to claim 4 is characterized in that: A water injection valve is arranged at the lower side of one end of the water tank, and the connecting frame and the feed hopper as well as the connecting frame and the second fixed pipe are spot welded.